Infrared

What are the size of infared wavelengths

• Longer, far infared wavelengths are about the sizevfar are about the size of a pinhead and the shorter, near infared ones are the size of cells or microscopic

• Longer, the size of a pencil

  shorter, the size of an ant

• Longer, the size of a tree, shorter, size of a bean

• Longer, size of a string

  shorter, size of dust

What is the use of infared in space

• Used to detect radiation

• it can be used to detect objects in space that are too cool or too faint

• Used to find tiny dust particles

• Used to detect metal

What can infared be used on earth

• It can be used to detect the heat emitted from earth

• it can be used in flashlights

• it can be used to detect metal underground

• it can be used for lasers

What is thermal infared

• Light inside microwaves

• it is the light inside from the sun

• it is the light inside lightbulbs

• it is the light radiated from our planet

What objects are used to see infrared waves?

• eyes

• regular cameras

• night vision goggles

• satellites

How do infrared waves work in waves?

• send infrared pulses

• they travel in a straight line

• makes noise

• motion senser

Is infrared visible to human eyes?

• True

• False

Who discovered infrared light?

• Justin Baehler

• Albert Einstein

• Thomas Edison

• William Herschel